$82.99
9 in stock
Online inventory may differ from in-store availability.
Quick turnaround so you get your gear sooner.
Trusted checkout with industry-standard protection.
Keeping Traditions Alive Since 1953
Secure Transactions provided with 
Peterson Cartridge built its name on one thing: making some of the most consistent rifle brass you can buy, and this .338 Winchester Magnum offering carries that reputation into one of North America's great big-game cartridges. Each case runs through Peterson's small-batch production lines with tight control over weight, wall thickness, and concentricity, which is the groundwork for accurate, repeatable handloads. If you've loaded Lapua or Nosler before, folks who've made the switch often say Peterson sits right alongside them for uniformity, and the cases arrive annealed and ready to prep straight out of the box.
The .338 Win Mag is a belted, bottlenecked magnum built off the .375 H&H case, and it thrives on a quality case that can take the pressure cycle after cycle. Reloaders consistently report strong case life out of Peterson, with tight primer pockets that stay snug well past the point where lesser brass loosens up. For a belted magnum that gets run with stout charges, that durability translates to more loadings per case and more predictable results downrange.
This is the cartridge Alaskan guides have leaned on for decades, equally at home on elk in timber, big moose, and brown bear where stopping power matters. Handloaders typically build it around 200 to 250 grain premium bullets like Nosler Partitions, Barnes TSX, Swift A-Frames, and bonded designs, pushed by powders in the H4350 to RL19 range with large rifle magnum primers. Because this round usually rides in a hunting rifle that needs to cycle flawlessly, full-length sizing with quality dies is the smart call, and starting a touch light while watching for pressure signs is wise with Peterson's robust case heads.
These are sold unprimed, so you're free to pick your primer, powder, and bullet to tune a load for your specific rifle. It's a clean starting point for a hunter or precision handloader who wants dependable, American-made brass under every shot.
No, these cases are sold unprimed. That lets you select your own primer, powder, and bullet to build a load tuned for your rifle. The .338 Win Mag uses a large rifle magnum primer, which pairs well with the slower magnum powders most handloaders run in this cartridge.
Yes, Peterson cases come annealed from the factory, which promotes uniform neck tension and extends reloading life. Most reloaders still give new brass a quick inspection, trim check, and chamfer before the first loading as part of good prep practice. Beyond that, these are among the more load-ready cases on the market.
Reloaders regularly report excellent case life from Peterson, often outlasting other brands thanks to tight, durable primer pockets and quality case heads. Actual count depends on your load pressure, sizing method, and how often you anneal. Running moderate charges and full-length sizing with quality dies helps you get the most firings out of each case.
For elk, moose, and bear, most handloaders build this cartridge around premium 200 to 250 grain bullets like Nosler Partitions, Barnes TSX, Swift A-Frames, and bonded designs. Lighter 180 to 210 grain bullets work well for sheep, caribou, and flatter-shooting loads. The .338's wide bullet selection is a big part of why it stays so popular for big game.
| UPC | 810068271416 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 40083-R |
| Quantity | 50 |
| Shipping Weight | 2.35 |
You must be logged in to post a review.
Reviews
There are no reviews yet.